GLM / Z.ai (Zhipu AI) vs ChatGPT

Which one should you pick? Here's the full breakdown.

GLM / Z.ai (Zhipu AI)

A
8.0/10

Zhipu AI's open-weights family -- GLM-4.6 text flagship and GLM-4.6V multimodal, true MIT licensed

Our Pick

ChatGPT

A
8.8/10

The chatbot that started the AI revolution -- most popular AI assistant in the world

CategoryGLM / Z.ai (Zhipu AI)ChatGPT
Ease of Use6.510.0
Output Quality8.58.0
Value9.08.0
Features8.09.0
Overall8.08.8

Pricing Comparison

FeatureGLM / Z.ai (Zhipu AI)ChatGPT
Free TierYesYes
Starting Price$0$0

Benchmark Head-to-Head

GLM-4.6 vs GPT-5.4

BenchmarkGLM / Z.ai (Zhipu AI)ChatGPT
GPQA Diamond74.5%92.8%
HumanEval89.1%95%

Which Should You Pick?

Pick GLM / Z.ai (Zhipu AI) if...

  • Better value for money (9/10)

Teams that need genuine MIT-licensed frontier open weights with no commercial strings. Especially strong for agentic workflows and vision (GLM-4.6V).

Visit GLM / Z.ai (Zhipu AI)

Pick ChatGPT if...

  • Easier to use (10 vs 6.5)
  • More features (9 vs 8)
  • Stronger on graduate-level science questions (+18.3% on GPQA Diamond)

Everyone. Seriously -- if you're new to AI or want the most complete all-in-one package, ChatGPT is the default recommendation.

Visit ChatGPT

Our Verdict

ChatGPT edges out GLM / Z.ai (Zhipu AI) with a 8.8 vs 8.0 overall score. Both are solid picks, but ChatGPT has the advantage in features.